Hyundai Equus: Photo Sensor Repair procedures - Air Conditioning System - Heating, Ventilation and Air Conditioning - Hyundai Equus VI 2009-2022 Service ManualHyundai Equus: Photo Sensor Repair procedures

Turn the ignition switch ON.
Connect the GDS.
Emit intensive light toward the photo sensor using a lamp, and check the output voltage change.
The voltage will rise with higher intensive light and reduce with lower intensive light.

1. Battery
2. LIN (Local Interconnect Network)
3. Ground

Disconnect the negative (-) battery terminal.
Using a screwdriver or remover, remove the inside rearview mirror cover (A).

Disconnect the photo sensor (A), and then remove the sensor (B).

Install in the reverse order of removal.
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